EP3550177A1 - Planetenuntersetzungsgetriebe mit kleiner zahndifferenz, fahrzeuginterne anzeige und fahrzeug - Google Patents

Planetenuntersetzungsgetriebe mit kleiner zahndifferenz, fahrzeuginterne anzeige und fahrzeug Download PDF

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Publication number
EP3550177A1
EP3550177A1 EP17876719.0A EP17876719A EP3550177A1 EP 3550177 A1 EP3550177 A1 EP 3550177A1 EP 17876719 A EP17876719 A EP 17876719A EP 3550177 A1 EP3550177 A1 EP 3550177A1
Authority
EP
European Patent Office
Prior art keywords
reducer
support frame
flange
bearing
input shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP17876719.0A
Other languages
English (en)
French (fr)
Inventor
Xiaoru Zhang
Xiaofang Xu
Sheng BAI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BYD Co Ltd
Original Assignee
BYD Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BYD Co Ltd filed Critical BYD Co Ltd
Publication of EP3550177A1 publication Critical patent/EP3550177A1/de
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
    • F16H1/321—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear the orbital gear being nutating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B60K35/21—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays
    • B60K35/22—Display screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/50—Instruments characterised by their means of attachment to or integration in the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/50—Instruments characterised by their means of attachment to or integration in the vehicle
    • B60K35/53—Movable instruments, e.g. slidable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B60R11/0229—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for displays, e.g. cathodic tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B60R11/0229—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for displays, e.g. cathodic tubes
    • B60R11/0235—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for displays, e.g. cathodic tubes of flat type, e.g. LCD
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/2809—Toothed gearings for conveying rotary motion with gears having orbital motion with means for equalising the distribution of load on the planet-wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/031—Gearboxes; Mounting gearing therein characterised by covers or lids for gearboxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/08—General details of gearing of gearings with members having orbital motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/1523—Matrix displays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R2011/0001—Arrangements for holding or mounting articles, not otherwise provided for characterised by position
    • B60R2011/0003—Arrangements for holding or mounting articles, not otherwise provided for characterised by position inside the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R2011/0042—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
    • B60R2011/008—Adjustable or movable supports
    • B60R2011/0085—Adjustable or movable supports with adjustment by rotation in their operational position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
    • F16H2001/325—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear comprising a carrier with pins guiding at least one orbital gear with circular holes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02039—Gearboxes for particular applications
    • F16H2057/02069—Gearboxes for particular applications for industrial applications
    • F16H2057/02073—Reduction gearboxes for industry

Definitions

  • the present disclosure relates to the field of reducers, and in particular, to a planetary reducer with small tooth difference, and an in-vehicle display screen device having the reducer.
  • a planetary reducer with small tooth difference has advantages of compact structure, large transmission ratio and the like.
  • pin shafts have a cantilever structure (one end is connected to an output flange and the other end is a cantilever end), structural rigidity thereof is small, the pin shafts are easy to deform, it is difficult to maintain uniform spacing therebetween, it is impossible to realize load sharing of each pin shaft, and an overall carrying capacity of the reducer is reduced.
  • the present disclosure is provided with a planetary reducer with small tooth difference, which can prevent a pin shaft from deforming.
  • the present disclosure provides a planetary reducer with small tooth difference, including a reducer housing, an input shaft, a cycloidal gear, an output flange, and a plurality of pin shafts.
  • the reducer housing includes an inner gear ring and the reducer housing is sleeved over the input shaft.
  • An eccentric cam is provided on the input shaft.
  • the cycloidal gear is mounted on the eccentric cam through an arm bearing and meshes with the inner gear ring.
  • the cycloidal gear is provided with a plurality of pin holes distributed in a circumferential direction thereof.
  • the reducer further includes a support frame.
  • the support frame has a central shaft hole.
  • the input shaft passes through the central shaft hole.
  • Each pin shaft passes through the corresponding pin hole and both ends are connected to the output flange and the support frame respectively.
  • both ends of the pin shaft can be supported, so that the pin shaft is of a simple support structure, the bending strength and rigidity of the pin shaft are greatly improved, and the pin shafts can always maintain uniform spacing therebetween, thereby realizing the load sharing of each pin shaft, improving the overall carrying capacity of the reducer, and prolonging the service life of the reducer.
  • the pin shaft, gear teeth and the arm bearing are simultaneously stressed, so that an entire transmission system has better carrying capacity, the stress is more reasonable, and the system stability is better.
  • the present disclosure also provides an in-vehicle display screen device, including a display screen, a motor and the reducer as described above.
  • the motor drives the display screen to rotate through the reducer, such that the display screen can be switched between a landscape state and a portrait state.
  • the in-vehicle display screen device further includes a rear screen bracket fixed to the back of the display screen, the output flange of the reducer being connected to the rear screen bracket.
  • the present disclosure also provides a vehicle, including the in-vehicle display screen device as described above.
  • a planetary reducer 200 with small tooth difference includes a reducer housing, an input shaft 220, an inner gear ring 230, a cycloidal gear 240, a support frame 250, an output flange 270, and a plurality of pin shafts 260.
  • the reducer housing is sleeved over the input shaft 220.
  • the support frame 250, the cycloidal gear 240 and the output flange 270 are all provided inside the reducer housing.
  • the reducer housing includes the inner gear ring 230.
  • the support frame 250 has a central shaft hole 251 (as shown in FIG. 9 ).
  • the input shaft 220 passes through the central shaft hole 251 and an eccentric cam 221 is provided on the input shaft 220.
  • the cycloidal gear 240 is mounted on the eccentric cam 221 through an arm bearing 285 and meshes with the inner gear ring 230.
  • the cycloidal gear 240 is provided with a plurality of pin holes 241 (as shown in FIG. 8 ) distributed in the circumferential direction thereof.
  • the cycloidal gear 240 is located between the support frame 250 and the output flange 270 in an axial direction of the input shaft 220.
  • Each pin shaft 260 passes through the corresponding pin hole 241 and both ends of each pin shaft 260 are connected to the output flange 270 and the support frame 250 respectively.
  • Each pin shaft 260 may be sleeved with a pin shaft sleeve to be in contact with the pin hole 241.
  • the input shaft 220 drives the cycloidal gear 240 to rotate by the arm bearing 285, and the cycloidal gear 240 meshes with the fixed inner gear ring 230.
  • the cycloidal gear 240 performs a planar motion along the inner gear ring 230 while performing a rotary motion along its own axis.
  • the cycloidal gear 240 drives the pin shaft 260 to rotate around the central axis of the output flange 270 by a frictional force between a pin hole surface and a pin shaft surface, so that torque after deceleration torque rise is output through the output flange 270, and meanwhile, the support frame 250 also performs a rotary motion under the driving of the pin shaft 260.
  • both ends of the pin shaft 260 can be supported, so that the pin shaft 260 is of a simple support structure, the bending strength and rigidity of the pin shaft 260 are greatly improved, and the pin shafts can always maintain uniform spacing therebetween, thereby realizing the load sharing of each pin shaft, improving the overall carrying capacity of the reducer, and prolonging the service life of the reducer.
  • the pin shaft 260, gear teeth (including gear teeth on the cycloidal gear 240 and gear teeth on the inner gear ring 250) and the arm bearing 285 are simultaneously stressed, so that the entire transmission system has better carrying capacity, the stress is more reasonable, and the system stability is better.
  • the input shaft 220 may have two eccentric cams 221.
  • the two eccentric cams 221 are offset by the same eccentric distance in opposite directions relative to the axis of the output shaft 220 (i.e., the two eccentric cams 221 are misaligned by 180°).
  • the reducer includes two cycloidal gears 240.
  • the two cycloidal gears 240 are mounted on the respective eccentric cams 221 through the arm bearings 285 respectively. In this way, the transmission system can be guaranteed to meet the requirements of static balance and dynamic balance, the need for additional counterweight is avoided, and meanwhile, the input shaft 220 can be prevented from being subjected to additional unbalanced dynamic loads, thereby guaranteeing steady transmission.
  • a spacer ring (not shown) may be provided between the two cycloidal gears 240.
  • an eccentric distance between the cycloidal gear 240 and the inner gear ring 230 may be consistent with an eccentric distance between the pin hole 241 and the pin shaft 260 on the cycloidal gear 240.
  • the reducer housing may include an input end cover 211 and an output end cover 212.
  • a first oil seal 286 may be provided between the input end cover 211 and the input shaft 220, and a second oil seal 287 may be provided between the output end cover 212 and the output flange 270.
  • the reducer housing 210 may have various suitable structures. As an embodiment, as shown in FIG. 4 , the inner gear ring 230 is provided between the input end cover 211 and the output end cover 212, and two end faces of the inner gear ring 230 are fixed to the input end cover 211 and the output end cover 212 respectively. In this embodiment, the inner gear ring 230 may be used as part of the reducer housing 210, thereby simplifying the structure and reducing the amount of materials used. In other embodiments, the reducer housing 210 may include a main body portion and an input end cover 211 and an output end cover 212 connected to both ends of the main body portion, and the inner gear ring 230 may be fixed inside the main body portion.
  • the input end cover 211, the inner gear ring 230 and the output end cover 212 may be connected together in any suitable manner.
  • the input end cover 211, the inner gear ring 230 and the output end cover 212 are respectively provided with a first bolt through hole, a second bolt through hole and a threaded hole, a bolt 288 sequentially passing through the first bolt through hole and the second bolt through hole to be connected to the threaded hole, so that the input end cover 211, the inner gear ring 230 and the output end cover 212 are connected together by the bolt 288.
  • the eccentric cam 221 and the input shaft 220 are integrally molded to form an eccentric shaft.
  • the eccentric cam 221 and the input shaft 220 may also be two components that are separately disposed. The two embodiments both fall within the scope of protection of the present disclosure.
  • the pin shaft 260 may be connected to the support frame 250 by a variety of suitable manners, such as by fasteners.
  • the support frame 250 may be provided with a plurality of mounting holes 252 distributed around the central shaft hole 251.
  • One end of each pin shaft 260 is connected to the output flange 270, and the other end is inserted into the corresponding mounting hole 252 in a matching manner.
  • the support frame 250 may be mounted on the input shaft 220 only by a first support frame bearing 281, or may be mounted on an inner wall of the reducer housing only by a second support frame bearing 282.
  • an inner ring of the support frame 250 is mounted on the input shaft 220 by the first support frame bearing 281
  • an outer ring of the support frame 250 is mounted on an inner wall of the input end cover 211 by the second support frame bearing 282.
  • the first support frame bearing 281 can also provide support for the input shaft 220 while providing support for the support frame 250, thereby improving the structural rigidity of the input shaft 220.
  • the first support frame bearing 281 may be disposed inside the second support frame bearing 282, that is, the two support frame bearings have overlapping regions in the axial direction of the input shaft 220.
  • an inner side of the support frame 250 is provided with a first support frame shoulder 253
  • an outer side of the support frame 250 is provided with a second support frame shoulder 254, a left side of the first support frame bearing 281 abuts against the first support frame shoulder 253, and a right side of the second support frame bearing 282 abuts against the second support frame shoulder 254.
  • the mounting hole 252 may be provided on the second support frame shoulder 254.
  • the second support frame shoulder 254 is closer to the cycloidal gear 240 than the first support frame shoulder 253, such that the two support frame bearings have overlapping regions in the axial direction of the input shaft 220.
  • the output flange 270 may be mounted on the input shaft 220 only by a first flange bearing 283, or may be mounted on the inner wall of the reducer housing only by a second flange bearing 284.
  • an inner ring of the output flange 270 is mounted on the input shaft 220 by the first flange bearing 283, and an outer ring of the output flange 270 is mounted on an inner wall of the output end cover 212 by the second flange bearing 284.
  • the first flange bearing 283 can also provide support for the input shaft 220 while providing support for the output flange 270, thereby further improving the structural rigidity of the input shaft 220.
  • the first flange bearing 283 may be disposed inside the second flange bearing 284, that is, the two flange bearings have overlapping regions in the axial direction of the input shaft 220.
  • the support frame 250, the output flange 270 and the input shaft 220 are all of a simple support structure, and the second support frame bearing 282 and the second flange bearing 284 guarantee the supporting rigidity and strength of the entire transmission system while providing support for the support frame 250 and the output flange 270, thereby improving the impact resistance of the transmission system.
  • a side of the output flange 270 adjacent to the cycloidal gear 240 is provided with a groove 271
  • the first flange bearing 283 is fitted in the groove 271 in a matching manner
  • an outer ring of the output flange 270 is provided with a flange shoulder 272
  • the second flange bearing 284 abuts against the flange shoulder 272
  • the pin shaft 260 is connected to the flange shoulder 272.
  • an in-vehicle display screen device includes a display screen 400, a motor 100 and the reducer 200 as described above.
  • the motor 100 is connected to the reducer 200, and the reducer 200 is connected to the display screen 400, so as to drive the display screen 400 to rotate, such that the display screen 400 can be switched between a landscape state and a portrait state.
  • an output shaft of the motor 100 may be in transmission connection with the input shaft 220 of the reducer 200.
  • the in-vehicle display screen device of the present disclosure may further include a rear screen bracket 300 fixed to the back of the display screen 400.
  • An output flange 270 of the reducer 200 may be connected to the rear screen bracket 300 by fasteners such as bolts.
  • a vehicle is provided.
  • the vehicle is provided with the in-vehicle display screen device of the present disclosure.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Retarders (AREA)
EP17876719.0A 2016-11-30 2017-11-29 Planetenuntersetzungsgetriebe mit kleiner zahndifferenz, fahrzeuginterne anzeige und fahrzeug Withdrawn EP3550177A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201611089480.9A CN108119613A (zh) 2016-11-30 2016-11-30 少齿差行星减速器、车载显示屏装置及车辆
PCT/CN2017/113546 WO2018099392A1 (zh) 2016-11-30 2017-11-29 少齿差行星减速器、车载显示屏装置及车辆

Publications (1)

Publication Number Publication Date
EP3550177A1 true EP3550177A1 (de) 2019-10-09

Family

ID=62226484

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17876719.0A Withdrawn EP3550177A1 (de) 2016-11-30 2017-11-29 Planetenuntersetzungsgetriebe mit kleiner zahndifferenz, fahrzeuginterne anzeige und fahrzeug

Country Status (4)

Country Link
US (1) US20190293150A1 (de)
EP (1) EP3550177A1 (de)
CN (1) CN108119613A (de)
WO (1) WO2018099392A1 (de)

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EP4056870A1 (de) * 2021-03-11 2022-09-14 Nabtesco Corporation Drehzahlminderer

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CN109099114B (zh) * 2018-10-26 2020-08-25 中国航发湖南动力机械研究所 均载传动机构及直升机减速器
CN109281995B (zh) * 2018-11-23 2024-04-16 深圳新创技术研究有限公司 滚动摆线行星变速机构
CN112228516A (zh) * 2020-10-31 2021-01-15 重庆大学 工业机器人精密减速器
CN113010976A (zh) * 2021-02-09 2021-06-22 中国航发哈尔滨东安发动机有限公司 一种直升机主减速器壳体强度仿真方法
CN113404823B (zh) * 2021-07-19 2022-06-14 天津旗领机电科技有限公司 一种微型高精密少齿差摆线减速器

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